128855090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 303367680

約数和(自身を除く): 174512590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 43, 65, 70, 74, 86, 89, 91, 130, 178, 182, 185, 215, 259, 301, 370, 430, 445, 455, 481, 518, 559, 602, 623, 890, 910, 962, 1118, 1157, 1246, 1295, 1505, 1591, 2314, 2405, 2590, 2795, 3010, 3115, 3182, 3293, 3367, 3827, 3913, 4810, 5590, 5785, 6230, 6586, 6734, 7654, 7826, 7955, 8099, 11137, 11570, 15910, 16198, 16465, 16835, 19135, 19565, 20683, 22274, 23051, 26789, 32930, 33670, 38270, 39130, 40495, 41366, 42809, 46102, 49751, 53578, 55685, 80990, 85618, 99502, 103415, 111370, 115255, 133945, 141599, 144781, 206830, 214045, 230510, 248755, 267890, 283198, 289562, 299663, 348257, 428090, 497510, 599326, 696514, 707995, 723905, 991193, 1415990, 1447810, 1498315, 1741285, 1840787, 1982386, 2996630, 3482570, 3681574, 4955965, 9203935, 9911930, 12885509, 18407870, 25771018, 64427545, 128855090]

約数ペア:

[(1, 128855090), (2, 64427545), (5, 25771018), (7, 18407870), (10, 12885509), (13, 9911930), (14, 9203935), (26, 4955965), (35, 3681574), (37, 3482570), (43, 2996630), (65, 1982386), (70, 1840787), (74, 1741285), (86, 1498315), (89, 1447810), (91, 1415990), (130, 991193), (178, 723905), (182, 707995), (185, 696514), (215, 599326), (259, 497510), (301, 428090), (370, 348257), (430, 299663), (445, 289562), (455, 283198), (481, 267890), (518, 248755), (559, 230510), (602, 214045), (623, 206830), (890, 144781), (910, 141599), (962, 133945), (1118, 115255), (1157, 111370), (1246, 103415), (1295, 99502), (1505, 85618), (1591, 80990), (2314, 55685), (2405, 53578), (2590, 49751), (2795, 46102), (3010, 42809), (3115, 41366), (3182, 40495), (3293, 39130), (3367, 38270), (3827, 33670), (3913, 32930), (4810, 26789), (5590, 23051), (5785, 22274), (6230, 20683), (6586, 19565), (6734, 19135), (7654, 16835), (7826, 16465), (7955, 16198), (8099, 15910), (11137, 11570)]